带回 + (了) + Object
The compound verb 带回 (dàihuí) means "to bring back" and combines 带 (to carry) with the directional complement 回 (back). It is used when someone takes or carries something back to a location, as in 带回了一个大水桶 (brought back a big water bucket).
他从超市带回了很多水果。
tā cóng chāoshì dài huí le hěn duō shuǐguǒ.
He brought back a lot of fruit from the supermarket.
妈妈出差回来,给我带回了一个礼物。
māma chūchāi huílái, gěi wǒ dài huí le yī gè lǐwù.
Mom came back from her business trip and brought me a gift.
请你帮我把这本书带回图书馆。
qǐng nǐ bāng wǒ bǎ zhè běn shū dài huí túshūguǎn.
Please help me return this book to the library.